BUNDLE 2026 COMPLETE QUESTIONS AND
SOLUTIONS GRADED A+
◉ Which one of the following is a digital transmission interface for
uncompressed video, multi-channel audio, and control data that also
supports High-bandwidth Digital Content Protection - HDCP?
Answer: HDMI (High Definition Multimedia Interface)
◉ Which one of the following digital broadcast standards is adopted
in Europe, Asia, and Africa? Answer: DVB (Digital Video
Broadcasting)
◉ DVI and HDMI both use a signaling method known as: Answer:
TMDS (Transmission-Minimized Differential Signaling)
◉ Which of the following defines the science or study of sound, how
it's created, its ability to travel within a space, and the way it's
managed? Answer: Acoustics
◉ Which of the following represents a logarithmic ratio to measure
the change in sound intensity or electric signals? Answer: Decibel
(dB)
,◉ Which of the following has a ground wire, and carries analog
signals as one hot wire and one cold wire in reverse polarity to
cancel noise and interference? Answer: Balanced cables
◉ Which of the following connector is commonly used for twisted
pair cabling that carries digital audio over the network? Answer: RJ-
45
◉ Which of the following performs as a transducer, converting one
form of energy to another, and is classified based on how it captures
sound? Answer: Microphone
◉ Which of the following is referred to as the safety zone that allows
audio peaks to exceed the nominal level without clipping? Answer:
Headroom
◉ Which of the following is an example of dropping the sound levels
for background music, to focus the audio on an important voice-over
announcement? Answer: Ducking
◉ Which of the following is the last link of the audio signal path?
Answer: Loudspeaker
, ◉ Which of the following is the average rate of speed at which sound
travels through air, measured at sea level and 70F/20C degrees?
Answer: 1128 feet/second (343 meters/second)
◉ The rate at which the sound vibrations repeat is called: Answer:
Frequency
◉ Which of the following is related to the amount of energy that a
sound wave carries? Answer: Amplitude
◉ Which of the following is a low voltage level that comes out of a
microphone when someone speaks into it? Answer: Mic Level
◉ Which of the following has two conductor wires, one for the hot
audio signal, and one for ground? Answer: Unbalanced cables
◉ Which of the following carries two independent channels for left
and right audio, and creates the impression of sound heard from
various directions? Answer: Stereo sound signals
◉ When a microphone signal first enters a mixer, which of the
following is used to control the input level of the audio. Answer: Gain